The content of active substances: 97 (%) specifications: Industrial superior executive standard: enterprise standard
Main purpose: it is widely used in synthesis of medicine, pesticide, polymerization stabilizer and organic synthesis (ester) catalyst. Also used as pharmaceutical intermediates, paint and resin CAS:104-15-4
Physical property
English Name: p-toluenesulfonic acid (p-TSA).
Molecular formula: C7H8O3S, M=172g/mo;
Characters: white needle crystal or powder, soluble in water, alcohol and ether, easy deliquescence, easy to make the cotton fabric, wood, paper and other carbohydrates dehydration and carbonization, insoluble in benzene, toluene and xylene benzene solvent. Alkali fusion generated p-cresol.
Index name: analysis of pure (AR), chemically pure (CP), refining, specific grade, industrial grade
Appearance: white needle crystal or powder
Content: 9998989796
Sulfate (free acid SO4): ≤ 0.01 0.1 0.1 0.3 1.5
Density: 1.34
Refractive index: 1.563
Flash point: 41 ℃
Water soluble: soluble
Boiling point: 140 ℃ (2.67kPa)
Melting point: 103 ℃ ~105 ℃
NaCl: ≤ 0.01%
Residue on Ignition: ≤ 0.1% ≤ 0.2%
Dissolution test the water: conformity
Alcohol dissolved test: conformity
Packing: 10kg/ box (plastic lining) (10kg/ box lined with plastic bag) 25kg/ (double) 25kg/ bag (double) 25kg/ bag (double)
CAS number: 104-15-4
Use
Widely used in pharmaceutical, pesticide, polymerization stabilizer and organic